package com.hgw.demo01_OpeningAndClosingPrinciple;

/**
 * Data time:2021/12/10 21:32
 * StudentID:2019112118
 * Author:hgw
 * Description: 抽象皮肤类
 */
public abstract class AbstractSkin {

    // 模拟显示的方法
    public abstract void display();

}
